Panel



FIG. 1 is a perspective view of a panel of the present design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof; and,

FIG. 4 is a top plan view thereof.

The rear elevational view of the panel of the present design is a mirror image of the view of FIG. 2.

The left side elevational view of the panel of the present design is a mirror image of the view of FIG. 3.

The bottom plan view of the panel of the present design is a mirror image of the view of FIG. 4. 

The ornamental design for a panel, as shown and described. 